123015422343 has 12 divisors (see below), whose sum is σ = 180287065784. Its totient is φ = 74554801200.

The previous prime is 123015422339. The next prime is 123015422377. The reversal of 123015422343 is 343224510321.

It is not a de Polignac number, because 123015422343 - 2² = 123015422339 is a prime.

It is a super-5 number, since 5×123015422343⁵ (a number of 57 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123015422343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123015422303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169442368 + ... + 169443093.

Almost surely, 2^123015422343 is an apocalyptic number.

123015422343 is a deficient number, since it is larger than the sum of its proper divisors (57271643441).

123015422343 is a wasteful number, since it uses less digits than its factorization.

123015422343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338885486 (or 338885475 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123015422343 its reverse (343224510321), we get a palindrome (466239932664).

The spelling of 123015422343 in words is "one hundred twenty-three billion, fifteen million, four hundred twenty-two thousand, three hundred forty-three".